| 摘要 |
<p>PROBLEM TO BE SOLVED: To surely provide requested data. SOLUTION: Upstream side radio communication equipment 2 acquires vehicle identification information, a data accessing request designating data requested by a driver and designation information designating a destination of a vehicle 21 from an on-vehicle device 22 mounted on the vehicle 21 traveling in the vicinity of the upstream side radio communication equipment 2 through an antenna 3 and transmits these pieces of acquired information to a central device 6. The central device 6 acquires data requested from a server 7 on the basis of the data accessing request, transmits to downstream side radio communication equipment 4 acquired providing data and vehicle identification information and makes the downstream side radio communication equipment 4 store the acquired providing data and vehicle identification information. The downstream side radio communication equipment 4 reads the providing data associated with the received vehicle identification information to be stored and transmits the providing data to the on-vehicle device 22 through an antenna 5 when the downstream side radio communication equipment 4 receives the vehicle identification information of the vehicle 21 traveling in the vicinity of the downstream side radio communication equipment 4.</p> |
